On Cryptographic Parameters of Permutation Polynomials of the form <i>x<sup>r</sup>h</i>(<i>x</i><sup>(2<i><sup>n</sup></i>-1)/<i>d</i></sup>)
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- JEONG Jaeseong
- Applied Algebra and Optimization Research Center (AORC), Sungkyunkwan University
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- KIM Chang Heon
- Applied Algebra and Optimization Research Center (AORC), Sungkyunkwan University
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- KOO Namhun
- Institute of Mathematical Sciences, Ewha Womans University
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- KWON Soonhak
- Applied Algebra and Optimization Research Center (AORC), Sungkyunkwan University
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- LEE Sumin
- Applied Algebra and Optimization Research Center (AORC), Sungkyunkwan University
抄録
<p>The differential uniformity, the boomerang uniformity, and the extended Walsh spectrum etc are important parameters to evaluate the security of S (substitution)-box. In this paper, we introduce efficient formulas to compute these cryptographic parameters of permutation polynomials of the form xrh(x(2<sup>n-1)/d</sup>) over a finite field of q=2n elements, where r is a positive integer and d is a positive divisor of 2n-1. The computational cost of those formulas is proportional to d. We investigate differentially 4-uniform permutation polynomials of the form xrh(x(2<sup>n-1)/3</sup>) and compute the boomerang spectrum and the extended Walsh spectrum of them using the suggested formulas when 6≤n≤12 is even, where d=3 is the smallest nontrivial d for even n. We also investigate the differential uniformity of some permutation polynomials introduced in some recent papers for the case d=2n/2+1.</p>
収録刊行物
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- IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
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IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E105.A (8), 1134-1146, 2022-08-01
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詳細情報 詳細情報について
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- CRID
- 1390011461952134912
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- NII論文ID
- 130008162482
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- ISSN
- 17451337
- 09168508
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- 本文言語コード
- en
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- データソース種別
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- JaLC
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- 使用不可